Base | Representation |
---|---|
bin | 110111111000010100100… |
… | …0111101001110111101001 |
3 | 1000012012122202220120211002 |
4 | 1233300221013221313221 |
5 | 2001312311344210414 |
6 | 24200104004244345 |
7 | 1421603552523161 |
oct | 157605107516751 |
9 | 30165582816732 |
10 | 7680091397609 |
11 | 24a1121413334 |
12 | a405530a06b5 |
13 | 4392ca30ba67 |
14 | 1c7a0b4475a1 |
15 | d4b9ba914de |
hex | 6fc291e9de9 |
7680091397609 has 2 divisors, whose sum is σ = 7680091397610. Its totient is φ = 7680091397608.
The previous prime is 7680091397591. The next prime is 7680091397653. The reversal of 7680091397609 is 9067931900867.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7594902133225 + 85189264384 = 2755885^2 + 291872^2 .
It is a cyclic number.
It is not a de Polignac number, because 7680091397609 - 240 = 6580579769833 is a prime.
It is a super-4 number, since 4×76800913976094 (a number of 53 digits) contains 4444 as substring.
It is not a weakly prime, because it can be changed into another prime (7680091697609) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840045698804 + 3840045698805.
It is an arithmetic number, because the mean of its divisors is an integer number (3840045698805).
Almost surely, 27680091397609 is an apocalyptic number.
It is an amenable number.
7680091397609 is a deficient number, since it is larger than the sum of its proper divisors (1).
7680091397609 is an equidigital number, since it uses as much as digits as its factorization.
7680091397609 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30862944, while the sum is 65.
The spelling of 7680091397609 in words is "seven trillion, six hundred eighty billion, ninety-one million, three hundred ninety-seven thousand, six hundred nine".
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